Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP2850274ApriorityCriticalpatent/JPS5612994B2/ja
Priority to US05/538,263prioritypatent/US4042291A/en
Priority to CA217,350Aprioritypatent/CA1012184A/en
Priority to DE2503120Aprioritypatent/DE2503120C3/de
Priority to FR7503330Aprioritypatent/FR2273388A1/fr
Publication of JPS50122723ApublicationCriticalpatent/JPS50122723A/ja
Publication of JPS5612994B2publicationCriticalpatent/JPS5612994B2/ja